After 41 years I almost bought it today...

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Jim- I did not actively expel air, but kept my airway open so air could escape as I ascended. Lungs were "empty" at the start of the ascent, only what was left after I exhaled from the previous breath. I breathe gently and do not forcibly exhale so there was residual air in the lungs.

If I ever have to do another one, I hope it is from 30-40 feet! After all, I'm not getting any younger!

Dr. Bill
 
"Then looking at her gauge we realized her tank was more than half full. It took a bit but we realized her tank was completely on. Doh!"

I'm a new diver and a bit confused by the quote. Is it a problem to have the tank turned on full ?

Rex
 
https://www.shearwater.com/products/perdix-ai/

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